My Account
•
View Cart / Check Out
Subtotal:
$0.00
Home
|
Products
Anti-Static
Bags - Poly
Bins, Shelving & Storage
Boxes - Corrugated
Boxes - Mailers
Bubble, Foam & Cushioning
Cable Ties
Chipboard Cartons
Edge Protectors
Envelopes & Mailers
Facilities Maintenance
Gloves
Janitorial Supplies
Labels
Mailing Tubes
Markers & Stencils
Material Handling
Moving Boxes & Supplies
Packing List Envelopes
Papers, Newsprint & Tissue
Retail
Safety Products
Shrink Film
Strapping
Stretch Film
Tags
Tape
Warehouse Supplies
|
Catalog
|
About Us
|
Contact Us
Click to Enlarge
Square Mailing Tubes
Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.
These one-piece tubes ship flat to save space.
Tubes fold together fast without tape or glue.
Constructed from 200#/ECT-32-B corrugated.
Choose from White or Kraft.
Item Description
Qty
Price
Ext. Price
White Square Mailing Tubes
Stock
Number
Inside Dimensions
W x D x L
Bundle/
Bale
Price Per Box
Add to Cart
50
100
300
500
1M+
M2225
2 x 2 x 25"
50/1400
$1.23
$1.16
$1.09
$1.02
$.95
Add
M2237
2 x 2 x 37"
50/1400
1.66
1.57
1.47
1.38
1.28
Add
M3312
3 x 3 x 12"
25/1600
.84
.79
.75
.70
.65
Add
M3318
3 x 3 x 18"
25/1600
.93
.88
.82
.77
.72
Add
M3325
3 x 3 x 25"
25/800
1.17
1.10
1.03
.97
.90
Add
M3330
3 x 3 x 30"
25/800
1.81
1.70
1.60
1.50
1.39
Add
M3337
3 x 3 x 37"
25/800
2.04
1.93
1.81
1.69
1.58
Add
M3343
3 x 3 x 43"
25/500
3.88
3.66
3.44
3.21
2.99
Add
M3348
3 x 3 x 48"
25/800
4.87
4.59
4.32
4.04
3.76
Add
M4425
4 x 4 x 25"
50/800
1.77
1.67
1.57
1.47
1.37
Add
M4437
4 x 4 x 37"
50/700
2.77
2.61
2.45
2.30
2.14
Add
M5512
5 x 5 x 12"
25/500
2.66
2.50
2.35
2.20
2.05
Add
M5518
5 x 5 x 18"
25/800
4.07
3.84
3.60
3.37
3.14
Add
M5525
5 x 5 x 25"
25/500
4.36
4.11
3.86
3.61
3.36
Add
M5530
5 x 5 x 30"
25/800
4.87
4.59
4.32
4.04
3.76
Add
M5537
5 x 5 x 37"
25/800
5.22
4.92
4.62
4.32
4.02
Add
M5543
5 x 5 x 43"
25/500
6.08
5.73
5.38
5.03
4.69
Add
M5548
5 x 5 x 48"
25/800
4.12
3.88
3.65
3.41
3.18
Add
Item Description
Qty
Price
Ext. Price
Kraft Square Mailing Tubes
Stock
Number
Inside Dimensions
W x D x L
Bundle/
Bale
Price Per Box
Add to Cart
50
100
300
500
1M+
M3318K
3 x 3 x 18"
25/1600
$2.25
$2.13
$2.00
$1.87
$1.74
Add
M3325K
3 x 3 x 25"
25/800
2.87
2.70
2.54
2.37
2.21
Add
M3330K
3 x 3 x 30"
25/800
1.60
1.51
1.42
1.33
1.24
Add
M3337K
3 x 3 x 37"
25/800
3.61
3.40
3.20
2.99
2.79
Add
M3348K
3 x 3 x 48"
25/500
4.87
4.59
4.32
4.04
3.76
Add
M5518K
5 x 5 x 18"
25/800
1.80
1.69
1.59
1.49
1.39
Add
M5530K
5 x 5 x 30"
25/800
3.17
2.99
2.81
2.63
2.45
Add
M5537K
5 x 5 x 37"
25/800
5.22
4.92
4.62
4.32
4.02
Add
M5548K
5 x 5 x 48"
25/800
3.50
3.30
3.10
2.90
2.70
Add
Home
•
Product Index
•
Site Map
About Us
•
Contact Us
•
Privacy Policy
•
Accessibility Statement
•
Terms
•
FAQ
Copyright © 2026 Sigma Supply, Inc.